Spermiogenesis and ultrastructure of spermatozoon of Nicolla wisniewskii (Digenea, Opecoelidae), an intestinal parasite of Salmo trutta, were studied by electron microscopy. Spermiogenesis follows the ...
Infertility has become a major medical and social problem worldwide and many of the cases are due to male infertility. Yet the molecular mechanisms involved in spermatogenesis are only now beginning ...
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